https://www.earthdata.nasa.gov/news/data-from-sedac-available-again-earthdata-search
Data From SEDAC Are Available Again in Earthdata Search | NASA Earthdata
SEDAC data became unavailable almost two months ago. Today, that status has changed, and all SEDAC data are accessible through Earthdata Search.
are availableearthdata searchsedacnasa
https://search.earthdata.nasa.gov/portal/suborbital/search
Earthdata Search
Search, discover, visualize, refine, and access NASA Earth Observation data in your browser with Earthdata Search
earthdatasearch